Check the listing for details. Large Back On Track Opal Exercise Boots - GREEN - Set Of 4 b. Condition: New. Listed at 120.00 USD. Large Back On Track Opal Exercise Boots - Black - Set Of 4 b. Opal Exercise Boots are created with an anatomical design to provide the best possible fit. The soft but sturdy material together with flexible Velcro straps make for an easy-to-use, comfortable, and protective fit. These boots will keep legs protected and comfortable for everyday work. The filling consists of a durable shock absorbing foam that helps distribute pressure and protect against impact. Perfect for working all disciplines, lunging, and turnout. Features & Benefits: • Anatomical fit ensures protection in vulnerable areas • Shock-absorbing foam distributes pressure and protects against impact • Heavy duty Velcro straps will stay secure during the most vigorous work • Dirt-repellent surface keeps boots looking good • Mesh bag is perfect as a storage and laundry bag